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Physics, 21.06.2019 20:30
Protons and neutrons are found within the nucleus of an atom
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Physics, 21.06.2019 22:00
Why do electron microscopes have higher resolving power than light microscopes?
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Physics, 22.06.2019 01:30
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
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Physics, 22.06.2019 11:50
Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending
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Where is earth's magnetic north pole located?...
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